Comparison

F4S vs TELEDYNE ISCO FlowCalc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

F4S

Features
Read full description

Faculty For Safety (F4S) is a mobile application enabling faculty to communicate, report and record suspicious activity to reduce harm to individuals. F4S reports specific information to various entities to report or initiate action. If you see this app and can't access, notify your administration to call CAPSOL for more information.

About

TELEDYNE ISCO FlowCalc

This utility app provides quick and accurate open channel flow rate calculations for field or office use. Select your measurement method, enter dimensions and head/velocity, and receive instant results. It supports multiple flow methods, area-velocity calculations, and unit switching.

Highlights
  • Instant flow rate calculations
  • Multiple weir and flume types
  • Area-velocity mode for pipes
  • Save favorite site setups
  • Imperial and metric unit support
  • Based on ISCO Handbook formulas
Features
Read full description

Quick, accurate flow rate calculations, right in your pocket. FlowCalc makes open channel flow measurement fast and easy. Whether you’re in the field or the office, you can select your weir, flume, or channel shape, enter size and head/velocity, and get instant, reliable results. Key Features • Set up & calculate in minutes – Choose your measurement method, enter your dimensions, and see flow rates instantly. • Multiple flow methods – Includes popular weirs (V‑Notch, Rectangular, Cipolletti) and flumes (Parshall, Leopold‑Lagco, HS, H, HL, Trapezoidal, and more). • Area‑velocity mode – Calculate flow for partially full pipes and non‑full channels in various shapes. • Save favorites – Store common site setups for fast recall. • Trusted formulas – Based on the ISCO Open Channel Flow Measurement Handbook. • Easy unit switching – Imperial and metric support. Free to download and backed by Teledyne ISCO’s decades of expertise in flow measurement.

Screenshots

F4S3 screens
TELEDYNE ISCO FlowCalc4 screens

Verdict

The call

The clearest difference is ads: F4S at none against TELEDYNE ISCO FlowCalc's shown. TELEDYNE ISCO FlowCalc's advantage is update cadence (weekly vs every 2 months) and iOS requirement (13.4 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

F4S ships an update every 2 months, TELEDYNE ISCO FlowCalc weekly. The most recent releases landed on October 29, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
F4S versus TELEDYNE ISCO FlowCalc: the parameters behind the verdict, then further details
ParameterF4STELEDYNE ISCO FlowCalc
PriceFreeFree
Rating—4.5 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.4 — better
Further details — not scored
Size25 MB26 MB
Age rating4+4+
DeveloperCAPSOL, LLCFutureSight Studios Ltd

In-app purchases

None

F4S

No in-app purchases

None

TELEDYNE ISCO FlowCalc

No in-app purchases

Questions

Is F4S free?
F4S is free to download, with no in-app purchases.
Is TELEDYNE ISCO FlowCalc free?
TELEDYNE ISCO FlowCalc is free to download, with no in-app purchases.
Do F4S or TELEDYNE ISCO FlowCalc have ads?
TELEDYNE ISCO FlowCalc shows ads; F4S does not.
Which is updated more often, F4S or TELEDYNE ISCO FlowCalc?
F4S ships an update every 2 months, and TELEDYNE ISCO FlowCalc weekly. Most recently, F4S was updated on October 29, 2026 and TELEDYNE ISCO FlowCalc on October 2, 2026.

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